Kaprosuchus

Kap-roe-soo-kuss.
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John Stewart

Paleoecologist

John Stewart is a distinguished paleoecologist whose work has significantly advanced our understanding of prehistoric ecosystems. With over two decades dedicated to unearthing fossils across Asia and Africa

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Name

Kaprosuchus‭ (‬Boar crocodile‭)‬.

Phonetic

Kap-roe-soo-kuss.

Named By

Paul Sereno‭ & ‬Hans Larsson‭ ‬-‭ ‬2009.

Classification

Chordata,‭ ‬Reptilia,‭ ‬Crocodylomorpha,‭ ‬Mahajangasuchidae.

Diet

Carnivore.‭

Species

K.‭ ‬saharicus

Size

Total length of holotype skull 507 millimetres long, length of holotype jaws 603 millimetres long. Originally estimated at 6 meters long, later comparisons to similar crocodiles suggest a total estimated body length approximately 3.3 meters long.

Known locations

Africa,‭ ‬Niger,‭ ‬Echkar Formation.

Time Period

Cenomanian of the Cretaceous.

Fossil representation

Single almost complete skull and lower jaws.

In Depth

       After the release of its description,‭ ‬Kaprosuchus,‭ ‬or‭ ‘‬Boar Croc‭’ ‬as it is more often called,‭ ‬quickly captured the public’s imagination and entered popular culture soon after. ‬The name comes from the three sets of teeth that look like the tusks on a wild boar.‭ ‬These pairs of teeth are divided two pairs to the top jaw,‭ ‬one pair to the lower.‭ ‬The jaws also have notches in the bone to allow the teeth to pass through.‭ ‬Without these notches,‭ ‬Kaprosuchus would have had its jaws permanently held open by its own teeth.

       The tip of the snout is quite bulky and may have had a keratinous growth.‭ ‬Speculation for this feature has been for a potential battering ram,‭ ‬where Kaprosuchus would charge at its prey,‭ ‬stunning or knocking it down before clamping down with its jaws and teeth. The eye sockets are in a similar arrangement to other terrestrial crocodiles in that they are angled forward as opposed to upward.‭ ‬There is also enough‭ ‬of an‭ ‬angle to indicate the possibility that Kaprosuchus had stereoscopic vision,‭ ‬giving it a degree of depth perception.

Further Reading

– Cretaceous crocodyliforms from the Sahara. – ZooKeys 28 (2009): 1–143. – Paul C. Sereno & Hans C. E. Larrson – 2009.

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